EP0811523A1 - Véhicule hybride avec circuit de commande - Google Patents

Véhicule hybride avec circuit de commande Download PDF

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Publication number
EP0811523A1
EP0811523A1 EP97303635A EP97303635A EP0811523A1 EP 0811523 A1 EP0811523 A1 EP 0811523A1 EP 97303635 A EP97303635 A EP 97303635A EP 97303635 A EP97303635 A EP 97303635A EP 0811523 A1 EP0811523 A1 EP 0811523A1
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EP
European Patent Office
Prior art keywords
engine
battery
powered automobile
hybrid powered
controller
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
EP97303635A
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German (de)
English (en)
Inventor
Hideo Kawamura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Isuzu Ceramics Research Institute Co Ltd
Original Assignee
Isuzu Ceramics Research Institute Co Ltd
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Publication date
Application filed by Isuzu Ceramics Research Institute Co Ltd filed Critical Isuzu Ceramics Research Institute Co Ltd
Publication of EP0811523A1 publication Critical patent/EP0811523A1/fr
Ceased legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W20/00—Control systems specially adapted for hybrid vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/28—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the electric energy storing means, e.g. batteries or capacitors
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
    • B60K6/46—Series type
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    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/40—Electric propulsion with power supplied within the vehicle using propulsion power supplied by capacitors
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    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • B60L50/61—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries by batteries charged by engine-driven generators, e.g. series hybrid electric vehicles
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    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
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    • B60W10/06—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
    • B60W10/08—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/24—Conjoint control of vehicle sub-units of different type or different function including control of energy storage means
    • B60W10/26—Conjoint control of vehicle sub-units of different type or different function including control of energy storage means for electrical energy, e.g. batteries or capacitors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/44—Drive Train control parameters related to combustion engines
    • B60L2240/441—Speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/48—Drive Train control parameters related to transmissions
    • B60L2240/486—Operating parameters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2260/00—Operating Modes
    • B60L2260/20—Drive modes; Transition between modes
    • B60L2260/26—Transition between different drive modes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2270/00—Problem solutions or means not otherwise provided for
    • B60L2270/10—Emission reduction
    • B60L2270/12—Emission reduction of exhaust
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B60W2510/00—Input parameters relating to a particular sub-units
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y10S903/904—Component specially adapted for hev
    • Y10S903/907—Electricity storage, e.g. battery, capacitor

Definitions

  • the present invention relates to a hybrid powered automobile having a controller that performs a selective drive control using a generator which generates electricity by an engine driving force or battery.
  • Electric cars have been known that are powered by batteries on board.
  • the electric cars use electricity stored in the battery as a motive power and do not produce exhaust emissions as do the diesel and gasoline engines that use light oil and gasoline as fuel, and thus have found uses in areas where release of emissions is not wanted, such as urban areas.
  • Battery-powered electric cars have drawbacks that it takes many hours to recharge the battery and that they can only travel a distance corresponding to the battery capacity and cannot run a long distance at a stretch.
  • hybrid cars with an engine and a battery aboard are attracting attention in recent years.
  • the engine on board the hybrid powered automobile operates on gasoline, light oil, alcohol or natural gas as fuel to drive a generator to charge the on-board battery with electric energy, which is used for driving the vehicle.
  • Such hybrid powered automobiles are disclosed, for example, in Japanese Patent Laid-Open No. 270603/1991, 317581/1995 and 23504/1995.
  • the hybrid powered automobiles disclosed in these publications drive the generator by the engine and use electric power produced by the generator to drive the drive shafts.
  • the drive wheels are driven by a motor powered by a storage battery, which is connected through a charger to the generator coupled to a generator-driving engine.
  • the charger is designed to be chargeable also from an external power source.
  • the engine is operated at all times in an optimum condition considering the production of exhaust emissions and mileage, and the vehicle is driven by the electricity stored in the battery regardless of variations in drive wheel revolutions, running speed and load.
  • This car is not designed to run only on the battery with the engine at rest. Because the engine is driven at all times, this electric car does not abate the production of NOx in exhaust emissions.
  • the hybrid electric car disclosed in the Japanese Patent Laid-Open No. 317581/1995 generates by a generator as much electric power as is required by the drive motor to reduce the frequency of battery recharge and discharge and thereby prevent possible efficiency degradation due to recharge and discharge.
  • a motor demand output means determines the amount of electricity required by the drive motor and a calculation means calculates the amount of power to be generated according to the demand power of the motor. When the motor demand power is low, the engine load is also low and a control is performed whereby only a part of the cylinders is operated to reduce throttle losses. Based on the calculated amount of generation, the calculation means determines the engine revolution speed and an operation range decision means checks whether the engine revolution speed is within the range of the current operation mode. If the revolution speed is outside the operation range, a mode change means changes the number of cylinders to be operated.
  • this hybrid electric car like the above electric car, has the engine operating at all times while the car is running, in order to generate as much electricity as is consumed by the motor.
  • the power supply circuit is designed to drive the engine near the highest efficiency point to reduce exhaust emissions and prevent battery deterioration.
  • a control section detects the vehicle resting state from a car speed signal and a shift position signal supplied from the sensor section. When the battery charge level is lower than a specified level, the engine is driven near the highest efficiency point to generate electricity by the generator and recharge a capacitor to a specified level. With the capacitor recharged to the specified capacitance, the control section stops the engine and turns on a connection switch to recharge the battery from the capacitor. After the recharge is complete, the switch is returned to the original state.
  • the power supply circuit of the above hybrid car drives the engine near the highest efficiency point when the charge level of the battery is lower than the specified level and, when it is higher than the specified level, stops the engine.
  • the car is driven by the power of the battery.
  • the hybrid powered automobile which operates an on-board engine using gasoline, light oil, alcohol or natural gas as fuel and at the same time runs on electric energy of an on-board battery
  • the car is designed to run on the electric energy of the battery in areas where release of exhaust emissions from the engine is not preferred, such as tunnels or urban areas, and in other areas, run on the engine.
  • the hybrid powered automobile needs to choose between the engine and the battery as a motive power and how the switching timing and switching range should be determined is a critical question. As described above, the hybrid car has yet to determine the timing of switching between the engine and the battery as the motive power.
  • This invention relates to a hybrid powered automobile comprising: an engine mounted on a vehicle traveling on a road; drive shafts to rotate drive wheels of the vehicle; motors to transmit driving force to the drive shafts; generators to generate electricity by the rotation of an output shaft of the engine; a capacitor parallelly connected to connecting lines connecting the generators and the motors; a battery parallelly connected to the connecting lines; an inverter to transform DC power from the generator or the battery into AC power for the motors; a converter to convert an output current to a DC current; and a controller to perform a control of selecting either the battery or the generators as a motive power to drive the drive shafts.
  • the controller performs a control of selecting the battery or the generators as the motive power in response to a signal from a detecting means that receives a signal representing the running condition of the vehicle.
  • the detecting means receives a signal transmitted by a traffic light equipment erected on the road and treats it as a vehicle running condition signal.
  • the controller performs a control of driving the drive shafts by the battery or the generators according to the charged state of the battery or the capacitor.
  • the battery is recharged with electricity generated by the generator or with electricity of an external power source.
  • the controller can perform a control of operating the engine in an operation range where the engine produces the least amount of NOx in exhaust emissions from the engine.
  • the controller When the vehicle is braked, the controller performs a control of making the motors act as generators and recharging the capacitor and the battery with the electricity generated by the generators.
  • the vehicle can be driven, according to the instructions from the controller, either by the electricity of the generators driven by the engine or by the electricity of the on-board battery without operating the engine.
  • the switching device for selecting the engine or the battery as the motive power can be automatically controlled by the controller according to the signals from the traffic light equipment on the road or from the satellites, or according to whether the vehicle is running up a sloped road, or according to the charge level of the battery.
  • the engine can be operated to generate a driving force of the vehicle.
  • the controller controls the operation of the engine in a range where the amount of NOx in exhaust emissions produced by the engine is minimal.
  • the hybrid powered automobile when it travels in urban and residential areas with strict regulations on noise and emissions or areas of heavy traffic where NOx emissions are required to be reduced during summer, the hybrid powered automobile can run on the car-mounted battery without operating the engine. When it is running on an uphill road or the battery charge is not sufficient, the engine can be operated. In that case, the controller controls the operation of the engine in a range where the engine will produce the least amount of NOx in the exhaust emissions.
  • This hybrid powered automobile of this embodiment is a vehicle that runs on an engine 1 or a battery 6.
  • a generator 2 is mounted on an output shaft (not shown) of the engine 1
  • a motor 7 is connected to a front wheel drive shaft 9 mounted with front wheels 8 of the vehicle 14 and another motor 7 is connected to a rear wheel drive shaft 11 mounted with rear wheels 12.
  • the front wheels 8 and the rear wheels 12 of the vehicle 14 are shown to be drive wheels. It is also possible to set either the front wheels 8 or the rear wheels 12 as the drive wheels. Electric energy produced by the generator 2 is supplied through an inverter 4 to the motor 7 of the front wheel drive shaft 9 and to the motor 7 of the rear wheel drive shaft 11 to drive the vehicle 14.
  • the inverter 4 transforms DC power from the generator 2 or battery 6 into AC power for the motors 7.
  • the inverter 4 has a converter 17 that converts the output current into DC current.
  • Between the generator 2 and the inverter 4 are provided a capacitor 5 and the battery 6 that are connected in parallel with the inverter 4.
  • the motor 7 of the front wheel drive shaft 9 and the motor 7 of the rear wheel drive shaft 11 can be made to act as generators to recharge the capacitor 5 with the generated current and regenerate it.
  • the battery 6 can be recharged not only by the generator 2 but also by an external power supply outside the vehicle.
  • this hybrid powered automobile operates the engine 1 to generate electricity by the generator 2 to drive the vehicle 14, or uses the electricity from the battery 6 to drive the vehicle 14 without operating the engine 1, or operates the engine 1 to generate electricity by the generator 2 to recharge the battery 6 and at the same time consume the power of the battery 6 for driving the vehicle.
  • the control of selecting between the engine 1 and the battery 6 is performed by an electronic control device, i.e., a controller 3.
  • a controller 3 In response to signals received by a sensor 13-a receiving means that receives the running condition signals of the vehicle 14-the controller 3 selects between the battery 6 and the generator 2 as a motive power.
  • the sensor 13 receives a signal from a traffic light equipment 15 erected on a road and uses it as the running condition signal for the vehicle 14.
  • the controller of this hybrid powered -automobile does not need to change the operating condition of the engine 1.
  • the engine 1 can be operated in an optimum condition, such as in an operation range that generates a low level of NOx or in an operation range that ensures a good mileage.
  • the efficiency can be improved.
  • the engine 1 can be operated only where it can generate a required amount of power at high efficiency, which leads to improved mileage.
  • the hybrid powered automobile as long as the engine 1, while it is operated in a high mileage range, can supply the required amount of power to the battery 6 for recharge, the battery recharging does not deteriorate the mileage.
  • this hybrid powered automobile can be controlled by the controller 3 so that it runs on the battery 6 to meet these regulations.
  • the hybrid powered automobile operates the engine 1 to drive the generator 2 to either drive the vehicle 14 with the generated electricity or to recharge the battery 6 and capacitor 5 with the electricity.
  • the hybrid powered automobile therefore requires a switching means to select between the operation modes and a means to issue an instruction to the switching means.
  • the traffic light equipment 15 on the road is provided with a means that transmits short waves or millimeter waves- the means to issue instructions to the switching means.
  • the controller 3 Upon receiving the short waves or millimeter waves, the controller 3 activates the switching means to select an appropriate operation mode.
  • the means to issue instructions to the switching means may be formed as follows.
  • the controller 3, as in the car navigation locates the present position of the vehicle according to signals from satellites, checks a prepared map to see whether the present location is in the emissions- or noise-controlled areas, and based on the requirements of regulations controls the switching means.
  • the hybrid powered automobile requires the driving force of the engine 1.
  • the controller 3 selects, according to the running conditions, the operation range where the engine 1 produces the least amount of NOx and smoke.
  • the hybrid powered automobile should preferably use a heat insulating engine with its combustion chambers 21 specially constructed for heat insulation.
  • the heat insulation structure of the combustion chambers 21 may comprise a heat resisting member made of, for example, ceramics and a heat insulating layer such as an air layer on the outer side of the heat resisting member. Emissions from the combustion chambers 21 are exhausted through exhaust passage 18.
  • the exhaust passages 18 may comprise a heat resisting member made of, for example, ceramics and a heat insulating layer made of, for example, a heat insulating member on the outer side of the heat resisting member.
  • an energy recovery turbine 22 that recovers the energy of the exhaust gas released from the combustion chambers 21.
  • the energy recovery turbine 22 comprises a turbine 19 driven by the exhaust gas flowing through the exhaust passage 18 and a generator 20 having a permanent magnet mounted on the shaft of the turbine 19.
  • the electricity generated by the generator 20 is used as the motive power for the hybrid powered automobile according to the instructions of the controller 3.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Sustainable Energy (AREA)
  • Sustainable Development (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Automation & Control Theory (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
  • Electric Double-Layer Capacitors Or The Like (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Control Of Eletrric Generators (AREA)
  • Hybrid Electric Vehicles (AREA)
  • Direct Current Feeding And Distribution (AREA)
EP97303635A 1996-06-06 1997-05-29 Véhicule hybride avec circuit de commande Ceased EP0811523A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP165109/96 1996-06-06
JP16510996A JPH09327103A (ja) 1996-06-06 1996-06-06 ハイブリット車の制御装置

Publications (1)

Publication Number Publication Date
EP0811523A1 true EP0811523A1 (fr) 1997-12-10

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EP97303635A Ceased EP0811523A1 (fr) 1996-06-06 1997-05-29 Véhicule hybride avec circuit de commande

Country Status (3)

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US (1) US6098734A (fr)
EP (1) EP0811523A1 (fr)
JP (1) JPH09327103A (fr)

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EP1688707A1 (fr) * 2005-02-02 2006-08-09 Deere & Company Navigation de véhicule avec réduction de bruit basée sur la localisation
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EP2193967A1 (fr) * 2007-10-19 2010-06-09 Toyota Jidosha Kabushiki Kaisha Véhicule électrique/hybride pouvant être chargé de façon externe
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1149724A1 (fr) * 2000-04-27 2001-10-31 Toyota Jidosha Kabushiki Kaisha Dispositif pour détecter la détérioration d'un catalyseur et procédé pour son utilisation pour véhicules
EP1688707A1 (fr) * 2005-02-02 2006-08-09 Deere & Company Navigation de véhicule avec réduction de bruit basée sur la localisation
US7222004B2 (en) 2005-02-02 2007-05-22 Deere & Company Vehicular navigation with location-based noise reduction
US7291935B2 (en) * 2005-06-02 2007-11-06 Denso Corporation Vehicle generator control device
EP2193967A1 (fr) * 2007-10-19 2010-06-09 Toyota Jidosha Kabushiki Kaisha Véhicule électrique/hybride pouvant être chargé de façon externe
EP2193967A4 (fr) * 2007-10-19 2013-10-30 Toyota Motor Co Ltd Véhicule électrique/hybride pouvant être chargé de façon externe
FR3008943A1 (fr) * 2013-07-23 2015-01-30 Renault Sa Systeme et procede de commande d'un groupe motopropulseur hybride.

Also Published As

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JPH09327103A (ja) 1997-12-16

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